On Optimization of Manufacturing of an Operational Amplifier with Common-Mode Feedback Based on Heterostructures to Increase Density of Their Elements. Influence of Miss-Match Induced Stress and Porosity of Materials on Technological Process

2019 ◽  
Vol 11 (3) ◽  
pp. 229-246
Author(s):  
E.L. Pankratov
Keyword(s):  
Technological Process ◽  
Operational Amplifier ◽  
Common Mode ◽  
Induced Stress

scholarly journals Design of Constant Transconductance Operational Amplifier By CMOS With High Gain And Low Operational Power

2021 ◽  
Author(s):  
Parvesh Kumar ◽  
Tarun Chaudhary ◽  
Vijay Kumar Ram
Keyword(s):  
Operational Amplifier ◽  
High Gain ◽  
Transmission Capacity ◽  
Constant Current ◽  
Common Mode ◽  
Voltage Supply ◽  
Input Range ◽  
Constant Transconductance ◽  
Small Capacity

In the following paper, there is a presentation of a small potential, small capacity CMOS which programs numerically working trans conductance circuit of an amplifier (OTA). A constant transconductance up to (7% of max variation) secures the whole usual-mode of the input range. The circuit process and it can also be operated on a voltage supply of 3.3V with a common-mode range of input from 0.3 to 1.6V. A constant-current is maintained by the designed OTA and also provide a continuous transmission capacity for varying burden capacitors with no increase in consumption of capacity. Simulation of the circuit works upon T-SPICE .5 µm level 49 sub-micron technology.

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